Merge pull request #1239 from lightful/pr_uptime

support uptime from Android 9+

neofetch

@@ -1216,8 +1216,14 @@ get_uptime() {
             # Get uptime in seconds.
             case "$os" in
                 "Linux" | "Windows" | "MINIX")
-                    seconds="$(< /proc/uptime)"
-                    seconds="${seconds/.*}"
+                    if [[ -r /proc/uptime ]]; then
+                        seconds="$(< /proc/uptime)"
+                        seconds="${seconds/.*}"
+                    else
+                        boot="$(date -d"$(uptime -s)" +%s)"
+                        now="$(date +%s)"
+                        seconds="$((now - boot))"
+                    fi
                 ;;
 
                 "Mac OS X" | "iPhone OS" | "BSD" | "FreeMiNT")